You can find the Midwest AK Alpha Series Quad Rail 6" Handguard OD Green here.

The Midwest Industries AK Alpha Series Quad Rail Handguard is the next generation of AK handguards from Midwest Industries. The adjustable design fits on most AKM firearms with stamped receivers. Includes a specially designed heat shield to protect the user. The handguard has 1913 Picatinny rails on all four sides and multiple QD points for sling attachments. May require slight fitting based on receiver size and handguard cap position. Made in the USA with a lifetime Warranty.

Firearm: AKMs with stamped receivers. Will NOT fit Yugo or milled receiver firearms.
Color: OD Green
Length: 6"
Weight: 9.3oz